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(grammar_rule_check): Rewrite slightly to avoid GCC warnings.

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Paul Eggert
2005-12-28 08:31:22 +00:00
parent e3233bf6b6
commit 668c5d1927
1 changed files with 8 additions and 6 deletions
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14
src/reader.c
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@@ -247,17 +247,19 @@ grammar_rule_check (const symbol_list *r)
/* Check that typed symbol values are used. */ /* Check that typed symbol values are used. */
{ {
symbol_list *l = r; symbol_list const *l = r;
int n = 0; int n = 0;
for (; l && l->sym; l = l->next, ++n) for (; l && l->sym; l = l->next, ++n)
if (! (l->used if (! (l->used
|| !l->sym->type_name || !l->sym->type_name
/* The default action, $$ = $1, `uses' both. */ /* The default action, $$ = $1, `uses' both. */
|| !r->action && (n == 0 || n == 1))) || (!r->action && (n == 0 || n == 1))))
if (n) {
warn_at (r->location, _("unused value: $%d"), n); if (n)
else warn_at (r->location, _("unused value: $%d"), n);
warn_at (r->location, _("unset value: $$")); else
warn_at (r->location, _("unset value: $$"));
}
} }
} }